Sometimes the only way to survive is to become someone else.

The great struggle of the twentieth century was between liberalism and totalitarianism.

The world we see that seems so insane is the result of a belief system that is not working. To perceive the world differently， we must be willing to change our belief system， let the past slip away， expand our sense of now， and dissolve the fear in our minds.

如果我们相信数据结构，就必须相信独立的（因此同时进行）处理。为什么我们还要在结构内收集物品？我们为什么要容忍一种语言而没有另一种语言呢？